1PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
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6 probe::netfilter.ip.forward - Called on an incoming IP packet addressed
7 to some other computer
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10 netfilter.ip.forward
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13 dport
14 TCP or UDP destination port (ipv4 only)
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16 nf_stolen
17 Constant used to signify a 'stolen' verdict
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19 psh
20 TCP PSH flag (if protocol is TCP; ipv4 only)
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22 ipproto_udp
23 Constant used to signify that the packet protocol is UDP
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25 data_str
26 A string representing the packet buffer contents
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28 nf_repeat
29 Constant used to signify a 'repeat' verdict
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31 nf_drop
32 Constant used to signify a 'drop' verdict
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34 data_hex
35 A hexadecimal string representing the packet buffer contents
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37 family
38 IP address family
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40 nf_stop
41 Constant used to signify a 'stop' verdict
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43 saddr
44 A string representing the source IP address
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46 rst
47 TCP RST flag (if protocol is TCP; ipv4 only)
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49 pf
50 Protocol family -- either “ipv4” or “ipv6”
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52 indev_name
53 Name of network device packet was received on (if known)
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55 daddr
56 A string representing the destination IP address
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58 outdev
59 Address of net_device representing output device, 0 if unknown
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61 syn
62 TCP SYN flag (if protocol is TCP; ipv4 only)
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64 protocol
65 Packet protocol from driver (ipv4 only)
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67 nf_accept
68 Constant used to signify an 'accept' verdict
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70 ipproto_tcp
71 Constant used to signify that the packet protocol is TCP
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73 iphdr
74 Address of IP header
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76 indev
77 Address of net_device representing input device, 0 if unknown
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79 urg
80 TCP URG flag (if protocol is TCP; ipv4 only)
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82 outdev_name
83 Name of network device packet will be routed to (if known)
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85 sport
86 TCP or UDP source port (ipv4 only)
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88 nf_queue
89 Constant used to signify a 'queue' verdict
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91 ack
92 TCP ACK flag (if protocol is TCP; ipv4 only)
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94 length
95 The length of the packet buffer contents, in bytes
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97 fin
98 TCP FIN flag (if protocol is TCP; ipv4 only)
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference May 2021 PROBE::NETFILTER.I(3stap)